Home / 447,018.37-666,316.41-411,146.17

Finding the Fourth Proportional to 447,018.37, 666,316.41 and 411,146.17

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Solution

The fourth proportional to 447,018.37, 666,316.41 and 411,146.17 is: 612,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,018.37 : 666,316.41 = 411,146.17 : x
  2. Step 2: Convert to fraction form
    447,018.37/666,316.41 = 411,146.17/x
  3. Step 3: Cross multiply
    447,018.37x = 666,316.41 × 411,146.17
  4. Step 4: Simplify right side
    447,018.37x = 273,953,439,979.65
  5. Step 5: Solve for x
    x = 273,953,439,979.65/447,018.37
  6. Step 6: Final answer
    x = 612,846.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.